Hydrilla

Hydrilla Fact Sheets

Hydrilla verticillata "The Perfect Aquatic Weed"
University of Florida, IFAS, Center for Aquatic Plants
http://aquat1.ifas.ufl.edu/hydcirc.html

Hydrilla verticillata (L.f.) Royle
USGS
http://nas.er.usgs.gov/taxgroup/plants/fact%20sheets/Hydrilla%20verticillata.pdf

HYDRILLA VERTICILLATA (L.F.) royle
University of Florida, IFAS, Center for Aquatic Plants
http://aquat1.ifas.ufl.edu/hydver2.pdf

Hydrilla Web Sites

General Information About Hydrilla
Washington State, Department of Ecology
http://www.ecy.wa.gov/programs/wq/plants/weeds/hydrilla.html

Hydrilla verticillata (L. f.) Royle waterthyme
USDA Plants Database
http://plants.usda.gov/java/profile?symbol=HYVE3

Hydrilla verticillata
The Western Aquatic Plant Management Society
http://www.wapms.org/plants/hydrilla.html

HYDRILLA VERTICILLATA (L. f.) Royle hydrilla, water thyme
Center for Aquatic and Invasive Plants, University of Florida
http://plants.ifas.ufl.edu/seagrant/hydver2.html

Exotic Aquatics of the Gulf Coast: Water Thyme (Hydrilla verticillata)
Louisiana Sea Grant
http://www.lamer.lsu.edu/exotics/hydrilla/index.htm

Hydrilla Distribution Maps

Hydrilla verticillata (L.f.) Royle
USGS
http://nas.er.usgs.gov/taxgroup/plants/docs/hy_verti.html